Seiko Cal. 4550 - 635

This Hand-Winding model from 1976 features a 34mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-3c0fa9768d81]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1976

Related Models

• Seiko 7128-124
• Seiko 3859-832
• Seiko 6262-403
• Seiko 4498-100
• Seiko 5699-444
• Seiko 6128-938
• Seiko 6676-140
• Seiko 5624-904
• Seiko 6356-566
• Seiko 5210-194
• Seiko 4475-400
• Seiko 7019-363